Ecological management of tropical forests [Elektronische Ressource] : implications for climate change and carbon fluxes / Adrien Djomo Njepang

Adjomo

Sujets

• Naturwissenschaften

Informations

• Publié par: georg-august-universitat_gottingen
• Publié le: 01 janvier 2010
• Nombre de lectures: 15
• Langue: English
• Poids de l'ouvrage: 1 Mo

Extrait

ECOLOGICAL MANAGEMENT OF
TROPICAL FORESTS: IMPLICATIONS FOR
CLIMATE CHANGE AND CARBON FLUXES
Goettingen, 2010
AdrienDjomoNjepang














1. Gutachter: Prof. Dr. Gode Gravenhorst
2. Gutachter: Prof. Dr. Joachim Saborowski



Tag der mündlichen Prüfung: 12.11.2010


TABLE OF CONTENT
Table of content ........................................................................................................................... i
List of figures ............................................................................................................................ iv
List of tables .............................................................................................................................. vi
Chapter1 : Using compensated reduction inputs to avoid continuous deforestation and
forest degradation .................................................................................................................... 1
1. Kyoto protocol ........................................................................................................................ 1
2. Monitoring tropical deforestation through compensated reduction ....................................... 2
3. Involving local population in REDD ..................................................................................... 4
Chapter2 : Objectives and Study area ........................................................................................ 6
1. Problems statement ................................................................................................................ 6
2. The Kudu-Zombo program .................................................................................................... 7
3. Objectives of the study ........................................................................................................... 8
4. Description of study areas ...................................................................................................... 9
4.1 The communal forest of Yokadouma ............................................................................... 9
4.2 The Campo-ma’an forest .................................................................................................. 9
4.2.1 Land use planning ..................................................................................................... 9
4.2.2 Bio-diversity of UTO Campo-Ma’an ...................................................................... 11
Chapter 3 : Modelling stand dynamics after selective logging: implications for REDD
and estimations of aboveground carbon pools from forest degradation ........................... 12
Abstract .................................................................................................................................... 12
1. Introduction .......................................................................................................................... 13
2 Material and methods ............................................................................................................ 14
2.1 Study site ........................................................................................................................ 14
2.2 Sampling design ............................................................................................................. 15
2.3 Classification system ...................................................................................................... 15
2.3 Future stand projection ................................................................................................... 16
2.4 Determination of Minimum Felling Diameter (MFD) ................................................... 17
2.5 Sensitivity analysis ......................................................................................................... 18
2.6 Carbon estimations ......................................................................................................... 19
3. Results .................................................................................................................................. 19
3.1 Composition of the Forest .............................................................................................. 19
i


3.2 Stand projection .............................................................................................................. 20
3.3 Yield and determination of Minimum Felling Diameter ............................................... 22
3.4 Sensitivity analysis………………………………………………………..…....…........25
4. Discussions ........................................................................................................................... 27
4.1 REDD and carbon estimations from forest degradation ................................................ 28
5. Conclusion ............................................................................................................................ 30
Chapter 4 : Allometric equations for biomass estimations in Cameroon and pan moist
tropical equations including biomass data from Africa ..................................................... 33
Abstract .................................................................................................................................... 33
1. Introduction .......................................................................................................................... 34
2. Material and methods ........................................................................................................... 35
2.1 Study site ........................................................................................................................ 35
2.2 Sampling and measurements .......................................................................................... 36
2.2.1 Biomass data ........................................................................................................... 36
2.2.2 Height diameter data ............................................................................................... 37
2.3 Data analysis and modelling 39
3. Results .................................................................................................................................. 43
3.1 Mixed-species allometric equations of the study site ..................................................... 43
3.2 General allometric equations for moist tropical forests ................................................. 44
3.3 Height regression equations ........................................................................................... 48
4. Discussions ........................................................................................................................... 48
4.1 Site specific mixed-species regressions ......................................................................... 48
4.2 Pan moist tropical regressions ........................................................................................ 52
5. Conclusions .......... 55
Chapter 5 : Estimations of forest biomass, carbon pools distribution and net primary
production of a moist tropical forest .................................................................................... 57
Abstract .................................................................................................................................... 57
1. Introduction .......................................................................................................................... 58
2. Material and Methods ........................................................................................................... 60
2.1 Study site ........................................................................................................................ 60
2.2 Biomass data and allometric equations .......................................................................... 63
2.3 Measurements and calculations ...................................................................................... 64
2.3.1 Aboveground carbon pools ..................................................................................... 64
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2.3.2 Belowground carbon pools ...................................................................................... 66
2.3.3 Net Primary production ........................................................................................... 67
2.4 Data analysis .................................................................................................................. 69
2.5 GIS and carbon pools map ............................................................................................. 69
3. Results .................................................................................................................................. 70
3.1 Biomass estimations ....................................................................................................... 70
3.2 Carbon pools .................................................................................................................. 73
3.3 Net primary production .................................................................................................. 75
4. Discussions ..........................................................................................